{"id":"CVE-2020-37280","published":"2026-10-12T21:17:05.733","lastModified":"2026-10-16T19:18:44.867","description":"cbor-sync through 1.0.4 contains a resource exhaustion vulnerability in CBOR.decode that trusts declared array and map lengths without checking remaining input. Remote attackers can supply a tiny crafted CBOR payload declaring huge lengths to drive billions of iterations, exhausting CPU and process memory.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-789"],"vendors":[],"products":[],"references":[{"url":"https://github.com/PelionIoT/cbor-sync","tags":[]},{"url":"https://github.com/PelionIoT/cbor-sync/issues/6","tags":[]},{"url":"https://github.com/PelionIoT/cbor-sync/pull/4","tags":[]},{"url":"https://www.vulncheck.com/advisories/cbor-sync-through-1.0.4-memory-exhaustion-via-unchecked-cbor-array-lengths","tags":[]}],"exploitRefs":[{"url":"https://github.com/PelionIoT/cbor-sync","tags":[]},{"url":"https://github.com/PelionIoT/cbor-sync/issues/6","tags":[]},{"url":"https://github.com/PelionIoT/cbor-sync/pull/4","tags":[]}],"hasPoc":true,"ai":null}